Investigating the Position of the Apex of the Maxillary Second Premolar and First Molar With Sinus Floor by Cone Beam Computed Tomography Method
Document Type : مقالههای پژوهشی
Authors
1 Dentist, School of Dentistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
2 Associated Professor, Department of Endodontics, School of Dentistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
3 Assistant Professor, Department of Maxillofacial Radiology, School of Dentistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
4 Postgraduate Student, Department of Endodontics, School of Dentistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
Abstract
Introduction: In this investigation, the position of the root apex of the maxillary second premolar and first molar teeth with the sinus floor was investigated using the Cone beam computed tomography (CBCT) method.
Materials and Methods: In this descriptive-analytical study conducted in 2022-2023, 172 CBCT stereotypes were analyzed, including the first molar and second premolar of patients aged 20 to 60 at the radiology department of Isfahan Azad Dental School. The position of the apex of the teeth was checked in the sagittal and coronal planes. The state of the apex was divided into three categories based on the distance to the floor of the sinus: OS (root apex outside the sinus floor), CO (apex in contact with the sinus floor), and IS (apex inside the sinus floor) which reviewed by researchers, radiologists and endodontists, and the data were analyzed by Mann-Whitney test at the significance level of 0.05%.
Results: The OS position was the most common posterior root apex with a sinus floor. The highest amount was in the second premolar, and the lowest was in the palatal root of the upper first molar. IS position was most in the palatal root of the first molar and the least in the root of the second premolar. The position of the CO was observed predominantly in the mesiobuccal and distobuccal roots equally, and the lowest percentage was seen in the second premolar teeth. There was no significant difference in the position of the apex of the roots compared to the floor of the maxillary sinus between women and men, and age did not affect the position of the apex of the roots of the teeth (p value < 0.05).
Conclusion: The apex of the roots of the maxillary first molar is closer to the sinus than the apex of the maxillary second premolar. The frequency of the roots whose apex was far from the sinus floor was more than the roots that were inside the sinus.
Materials and Methods: In this descriptive-analytical study conducted in 2022-2023, 172 CBCT stereotypes were analyzed, including the first molar and second premolar of patients aged 20 to 60 at the radiology department of Isfahan Azad Dental School. The position of the apex of the teeth was checked in the sagittal and coronal planes. The state of the apex was divided into three categories based on the distance to the floor of the sinus: OS (root apex outside the sinus floor), CO (apex in contact with the sinus floor), and IS (apex inside the sinus floor) which reviewed by researchers, radiologists and endodontists, and the data were analyzed by Mann-Whitney test at the significance level of 0.05%.
Results: The OS position was the most common posterior root apex with a sinus floor. The highest amount was in the second premolar, and the lowest was in the palatal root of the upper first molar. IS position was most in the palatal root of the first molar and the least in the root of the second premolar. The position of the CO was observed predominantly in the mesiobuccal and distobuccal roots equally, and the lowest percentage was seen in the second premolar teeth. There was no significant difference in the position of the apex of the roots compared to the floor of the maxillary sinus between women and men, and age did not affect the position of the apex of the roots of the teeth (p value < 0.05).
Conclusion: The apex of the roots of the maxillary first molar is closer to the sinus than the apex of the maxillary second premolar. The frequency of the roots whose apex was far from the sinus floor was more than the roots that were inside the sinus.
Keywords
1. Souza AD, Rajagopal KV, Ankolekar VH, Souza AS, Kotian SR. Anatomy of maxillary sinus and its ostium: A radiological study using computed tomography. Chrismed: J Health Res 2016; 3(1): 37-40.
2. 2. Alfadda SA. Early and immediate loading protocols for overdentures in completely edentulous maxillas: a comprehensive review of clinical trials. J Contemp Dent Pract 2014 1;15(6):797-805.
3. 3. Hupp JR, Tucker MR, Ellis E. Contemporary oral and maxillofacial surgery-e-book: contemporary oral and maxillofacial surgery-e-book. 7th ed. Philadelphia, PA: Elsevier Health Sciences; 2018.
4. Rani SU, Rao GV, Kumar DR, Sravya T, Sivaranjani Y, Kumar MP. Age and gender assessment through three-dimensional morphometric analysis of maxillary sinus using magnetic resonance imaging. J Forensic Dent Sci 2017; 9(1): 46.
5. White SC, Pharoah MJ. Oral radiology: principles and interpretation. St. Louis: Mosby:Elsevier; 2009; p. 70-3 .
6. Ikeda A, Ikeda M, Komatsuzaki A. A CT study of the course of growth of the maxillary sinus: normal subjects and subjects with chronic sinusitis. ORL J Otorhinolaryngol Relat Spec 1998; 60(3): 147-52.
7. Sharma SK, Jehan M, Kumar A. Measurements of maxillary sinus volume and dimensions by computed tomography scan for gender determination. J Anat Soc India 2014; 63(1): 36-42.
8. Jung YH, Cho BH. Assessment of the relationship between the maxillary molars and adjacent structures using cone beam computed tomography. Imaging Sci Dent 2012; 42(4): 219-24.
9. Whyte A, Boeddinghaus R. Imaging of odontogenic sinusitis. Clin Radiol 2019; 74(7): 503-16.
10. Gu Y, Sun C, Wu D, Zhu Q, Leng D, Zhou Y. Evaluation of the relationship between maxillary posterior teeth and+ the maxillary sinus floor using cone-beam computed tomography. BMC Oral Health 2018; 18(1): 164.
11. Kumar M, Harshitha C. Relationship between maxillary sinus floor and the apices of maxillary posterior teeth-A cone beam computed tomography study. Drug Invention Today 2018; 10(8): 1374-6.
12. Amani R, Noroozi M, Seyed Ashrafi MM. Assessment of the relationships between posterior root apices and the maxillary sinus floor: a comparison of panoramic radiography and cone beam computed tomography. Gen Dent 2023; 71(5): 58-63.
13. Dehghani M, Motallebi E, Navabazam A, Montazerlotfelahi H, Ezoddini F, Ghanea S. The relation between maxillary sinus floor and posterior maxillary teeth roots using panoramic and cone beam computed tomography. J Dentomaxillofacial Radiol Pathol Surg 2017; 6(3): 49-60.
14. Razumova S, Brago A, Howijieh A, Manvelyan A, Barakat H, Baykulova M. Evaluation of the relationship between the maxillary sinus floor and the root apices of the maxillary posterior teeth using cone-beam computed tomographic scanning. J Conserv Dent 2019; 22(2): 139-43.
15. Sahlstrand-Johnson P, Jannert M, Strömbeck A, Abul-Kasim K. Computed tomography measurements of different dimensions of maxillary and frontal sinuses. BMC Med Imaging 2011; 11: 8.
16. White SC, Pharoah MJ. Oral radiology-E-Book: Principles and interpretation. 7th ed. Philadelphia, PA: Elsevier Health Sciences; 2014.
17. Jacobs R, Mraiwa N, van Steenberghe D, Gijbels F, Quirynen M. Appearance, location, course, and morphology of the mandibular incisive canal: an assessment on spiral CT scan. Dentomaxillofac Radiol 2002; 31(5): 322-7.
18. Kwak HH, Park HD, Yoon HR, Kang MK, Koh KS, Kim HJ. Topographic anatomy of the inferior wall of the maxillary sinus in Koreans. Int J Oral Maxillofac Surg 2004; 33(4): 382-8.
19. Shokri A, Lari S, Yousef F, Hashemi L. Assessment of the relationship between the maxillary sinus floor and maxillary posterior teeth roots using cone beam computed tomography. J Contemp Dent Pract 2014; 15(5): 618-22.
20. Zhang YQ, Yan XB, Meng Y, Zhao YN, Liu DG. Morphologic analysis of maxillary sinus floor and its correlation to molar roots using cone beam computed tomography. Chin J Dent Res 2019; 22(1): 29-36.
21. Tian XM, Qian L, Xin XZ, Wei B, Gong Y. An analysis of the proximity of maxillary posterior teeth to the maxillary sinus using cone-beam computed tomography. J Endod 2016; 42(3): 371-7.
22. Pei J, Liu J, Chen Y, Liu Y, Liao X, Pan J. Relationship between maxillary posterior molar roots and the maxillary sinus floor: Cone-beam computed tomography analysis of a western Chinese population. J Int Med Res 2020; 48(6): 0300060520926896.
23. Johari M, Pachenari F, Amin MR, Sheikhdavoudi N. Evaluation of the relationship between roots of first and second maxillary molars and floor of maxillary sinus using cone-beam computed tomography [in Persian]. J Gorgan Uni Med Sci 2020; 22(1): 95-100.
24. Yoshimine SI, Nishihara K, Nozoe E, Yoshimine M, Nakamura N. Topographic analysis of maxillary premolars and molars and maxillary sinus using cone beam computed tomography. Implant Dent 2012; 21(6): 528-35.
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